Display screen or portion thereof with graphical user interface



FIG. 1 is a front view of a display screen or portion thereof withgraphical user interface showing a first embodiment of the claimeddesign; and,

FIG. 2 is a front view of a display screen or portion thereof withgraphical user interface showing a second embodiment of the claimeddesign.

The outermost broken-line perimeter in the figures shows a displayscreen or portion thereof and forms no part of the claimed design. Theremaining broken lines show portions of the graphical user interface andform no part of the claimed design.

CLAIM The ornamental design for a display screen or portion thereof witha graphical user interface, as shown and described.